20622240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14321}}^1$

素因数の和:14342

約数の個数: 72

約数和(自身を含む): 70378308

約数和(自身を除く): 49756068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14321, 28642, 42963, 57284, 71605, 85926, 114568, 128889, 143210, 171852, 214815, 229136, 257778, 286420, 343704, 429630, 458272, 515556, 572840, 644445, 687408, 859260, 1031112, 1145680, 1288890, 1374816, 1718520, 2062224, 2291360, 2577780, 3437040, 4124448, 5155560, 6874080, 10311120, 20622240]

約数ペア:

[(1, 20622240), (2, 10311120), (3, 6874080), (4, 5155560), (5, 4124448), (6, 3437040), (8, 2577780), (9, 2291360), (10, 2062224), (12, 1718520), (15, 1374816), (16, 1288890), (18, 1145680), (20, 1031112), (24, 859260), (30, 687408), (32, 644445), (36, 572840), (40, 515556), (45, 458272), (48, 429630), (60, 343704), (72, 286420), (80, 257778), (90, 229136), (96, 214815), (120, 171852), (144, 143210), (160, 128889), (180, 114568), (240, 85926), (288, 71605), (360, 57284), (480, 42963), (720, 28642), (1440, 14321)]